Abstract: Methods and apparatus to quickly and securely fasten a tumbler cup to a spindle turner arm in a consistent and accurate manner. A spindle tumbler arm is inserted into a support body and contacts one or more cams. The cams move a plunger outward forcing a seal against a wall of an interior change securing turner arm against to the tumbler cup. Other embodiments include an expandable bladder placed into the tumbler cup; and a support attached via a threaded connection.

Abstract: The axis of rotation of a gear wheel subjected to thermal treatment and comprising at least one intermediate crown wheel and a pair of lateral tubular hubs arranged on opposite sides of the crown wheel is restored automatically by coupling a first of the hubs to a head rotating about a fixed axis of own rotation axis, displacing the other hub in a direction transverse to the fixed axis until both of the hubs and the crown wheel are brought into positions substantially sharing the fixed axis and providing on each of the hubs a respective centring surface sharing the fixed axis without uncoupling the first hub from the rotating head and keeping the gear wheel in a vertical and angularly fixed position.

Abstract: The present invention concerns methods and apparatus for spreading beads in a tire. Particular embodiments of such methods include positioning a tire adjacent an automated material abrading tool, the tire having: a central opening bounded radially by an inner bead diameter; an interior tire cavity extending radially outward from the inner bead diameter; and an interior tire cavity opening extending between opposing an annular beads of the tire, the cavity being positioned between the central cavity and the interior tire cavity. Such methods may also include securing at least a portion of the first bead of the tire and positioning a tire spreader within the central opening of the tire, the tire spreader having a bead engaging portion for engaging a portion of the second bead generally opposite the secured portion of the first bead.

Abstract: A deburring device includes a barrel with a granulated polishing member filled therein. The barrel is configured by a case formed with an opening hole, and drop prevention member which is fixed to the case and prevents the polishing member from being dropped from the opening hole. A gap into which a tubular end section of a workpiece is inserted is formed between the opening hole of the case and the drop prevention member.

Abstract: An attachment that is configured for attachment to an arm of a piece of construction equipment. The attachment includes a pair of grapple mechanisms mounted on a main beam. Each grapple mechanism includes opposing grab arms mounted to a grab arm housing. The grab arm housings of the grapple mechanisms are each individually adjustable separate from one another relative to the main beam in one or more directions generally perpendicular to the longitudinal axis of the main beam. The attachment can fine adjust the positions of the pipe ends relative to one another until the ends align with each other, at which point the pipe ends can be welded or otherwise secured to each other while being held in position by the grapple mechanisms.

Abstract: The component to be machined (2) is fixed with its axis in a position exactly determined in relation to the machine base (1) and the seat (3), by means of the sides (8) and the rear face (9) of the vee arranged on the seat and by means of the intermediate organ (11) in the form of a sector of ring, the concave cylindrical facets (23) of which are adapted to the component (2). The component (2) is pressed against the facets (23) by the finger (14) operated by the stirrup (15). The component (2) can be driven in rotation by a floating spindle operated by a servomotor into a position determined in relation to the machine seat (1).

Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.

Abstract: An improvement in the after-cast operation of removing the casting gate from an investment casting comprising a formed locator on the gate, the formed locator being capable of locating the casting in a desired position and of being gripped to hold the casting in place while the gate is severed near the casting. An investment casting pattern and gate attached thereto, the pattern gate being distinguished by a locator formation on the gate at a location spaced from the casting pattern.

Abstract: A micro-machining system configured for cutting an elongate object, including a clamp configured to enable repeatedly releasing and then holding the elongate object in a position suitable for cutting the elongate object transversely relative to its lengthwise axis, and a manipulating means, which can include a pinch roller feed configured to advance the elongate element and to rotate it about a lengthwise axis of the elongate object, thereby moving the elongate object so that it can be disposed in the position suitable for cutting, and a cutter configured for forming the at least one precision cut in the elongate object to a desired depth, under the control of a controller.

Abstract: A ferrule holder assembly for an optical-fiber-end-face grinding apparatus comprises a ferrule holder board supported to be moved upward and downward in parallel with a grinding board of the optical-fiber-end-face grinding apparatus, a ferrule sleeve provided at the ferrule holder board for receiving and supporting an optical fiber ferrule while putting the tip at the grinding board, an adapter for retaining the optical fiber ferrule or a connector for supporting the optical fiber ferrule in a state where the optical fiber ferrule is inserted into the ferrule sleeve, and an urging unit for urging the adapter in a direction opposite to the grinding board from the ferrule holder board.

Abstract: An insertion arbor used in device for machining a workpiece. The workpiece includes a centered middle bore, a plurality of other bores and an equal plurality of fabrication bores. Each of the other bores defining an area of increased radius. The other bores define a axis, which axes do not intersect at one point. The insertion arbor is insertable through a fabrication bore and extends to the area of increased radius of the associated other bore.

Abstract: An eyeglass lens securing cup (1) securely mounted on an eyeglass lens has a positioning portion which engages a manipulator to determine a specified axial position and it is placed in position on a tray (400). The tray (400) is moved to a specified position by a tray transport apparatus (500). A lens transport apparatus (300) has the manipulator which, in correspondence with the positioning portion of the securing cup (1), maintains the specified axial position, picks up the securing cup (1) from the tray (400) and transports it to a machining shaft on a grinder (200). The eyeglass lens having refractive power can be transported while allowing the optical center of the lens and its axial angle to keep the desired relationships.

Abstract: A method for polishing radially expandable surgical stents is disclosed where fluid abrasive media M flows over surfaces of the stent 10 causing the surfaces of the stent 10 to be polished and streamlined. The stent 10 is temporarily provided with cylindrical support ends 20, which are not radially expandable to support the stent 10 during the polishing process. An interior polishing fixture 100 is provided which has cylindrical chambers 135 therein adapted to receive a stent 10 therein. Fluid abrasive media M then flows into bores 108 in the fixture 100 leading to the cylindrical chambers 135 and adjacent the inner diameter surfaces of the stent 10. Surfaces of the stent 10 forming the outer diameter are polished by placing the stent 10 within an exterior polishing fixture 200 which has a cylindrical recess 220 therein.

Abstract: A grinding machine for grinding an inner race of a constant velocity joint, which contains a grinding wheel with a concentric peripheral surface of boron nitride, and a device for rotating the grinding wheel at a speed of at least about 5,000 revolutions per minute. The machine also has a lubricating fluid injection system for lubricating the inner race and grinding bit. The machine also contains devices for moving the inner race in the X axis, in the Z axis, and simultaneously in the X and Z axes.

Abstract: A clamping device for milling working of engine is provided which makes stability of working operation by stably fixing without trembling upon milling working of casted engine and improves a working preciseness and prevents deformation of members by dispersing excessive clamping force.

Abstract: A grinding machine for regrinding a housing of a constant velocity joint which contains a grinding bit, a high speed spindle, a lubricating fluid injection system, and devices for rotating the housing, for moving the housing in the X axis, for moving the housing in the Z axis, and for simultaneously moving the housing in the X and Z axes. The fluid injection system has two coolant nozzles with different volumetric flow rates.

Abstract: An apparatus for grinding particularly a crankshaft is proposed, the apparatus having a workpiece headstock and a tailstock with, in each case, a bearing, which is disposed in the extension of the crankshaft axis and is intended to accommodate the crankshaft at its axial end points. Moreover, the workpiece headstock and the tailstock each have a spike, in which the crankshaft is mounted and fixed free of axial pressure.

Abstract: Device for centering and clamping a component (1) with a view to lapping it, comprising a rest (10) for applying the component (1) against a fixed stop (3), a first piston (7) with a long stroke and a second piston (8) with a short stroke interposed between the rest (10) and the first piston (7), anti-rotation means (18) for the component (1), a blocking element (12) for blocking the first piston (7) relative to its cylinder (6), as desired, and controls for, in succession,a)--advancing the two pistons (7, 8) in order to clamp the component (1),b)--blocking the first piston (7) relative to its cylinder (6) using the blocking element (12),c)--retracting the second piston (8) in order to unclamp the component (1),d)--introducing the lap (4) into the component (1) immobilized by the anti-rotation means (18) and, driving it in rotation, expanding the lap (4) until a pre-determined torque is established between the lap (4) and the component (1) ande)--advancing the second piston (8) in order to reclamp the centere

Abstract: An apparatus for the precision grinding of conical valve seats of nozzles, for example, injection nozzles for internal combustion engines. The body is entered hydraulically on a mandrel and a driver has a rubber O-ring braced against the nozzle body to frictionally engage it is rotation while passing through the mandrel for the shaft of a grinding tool which is located at the end of the mandrel. The system avoids radial clamping stresses on the workpiece and hence allows, precision low tolerance finish grinding to be achieved.

Abstract: A grinding machine for several ball cages. The machine contains a grinding bit, a multiple cage holder in which several cages are disposed so that the centers of the windows of their cages are vertically aligned with each other, a device for moving the multiple cage holder in the Z axis, the X axis, clockwise, and counterclockwise, a lubricating fluid injection system, and a high-speed spindle.

Abstract: An adaptor for aligning the components of a constant velocity joint is disclosed. This adaptor is comprised of a base, a body attached to said base, a screw shaft disposed within said body, a left slide nut mounted on said screw shaft, a first annular peg mounted on said left slide nut, a right slide nut mounted on said screw shaft, a second annular peg mounted on said right slide nut, and rotatable adjustment means for moving said left slide nut and said right slide nut in opposite directions upon the rotation of said adjustment means.